Fuma Kotaro
https://en.wikipedia.org/wiki/F%C5%ABma_Kotar%C5%8D
http://jpninfo.com/52388

Jinichi Kawakami
https://en.wikipedia.org/wiki/Jinichi_Kawakami
https://www.smithsonianmag.com/smart-news/meet-jinichi-kawakami-japans-last-ninja-28889515/

Hattori Hanzo
https://en.wikipedia.org/wiki/Hattori_Hanz%C5%8D
https://www.samurai-archives.com/hanzo.html

Sanada Masayuki
https://en.wikipedia.org/wiki/Sanada_Masayuki
https://wiki.samurai-archives.com/index.php?title=Sanada_Masayuki

Masaaki Hatsumi
https://en.wikipedia.org/wiki/Masaaki_Hatsumi
http://www.kihon.com/articles/masaaki_hatsumi.html
https://en.wikipedia.org/wiki/Togakure-ry%C5%AB

Momochi Sandayu
https://kernowbujutsu.wordpress.com/tag/momochi-sandayu/

Ishikawa Goemon
https://en.wikipedia.org/wiki/Ishikawa_Goemon
http://www.ancient-origins.net/history-famous-people/ninja-warrior-ishikawa-goemon-charitable-hero-or-violent-outlaw-008531

Mochizuki Chiyome
https://en.wikipedia.org/wiki/Mochizuki_Chiyome
http://www.bodahub.com/historys-only-recorded-female-ninja-mochizuki-chiyome/

Fujibayashi Sabuji
http://ninja.wikia.com/wiki/Bansenshukai
https://en.wikipedia.org/wiki/Bansenshukai

Kato Danzo
https://en.wikipedia.org/wiki/Kat%C5%8D_Danz%C5%8D
https://www.wayofninja.com/kato-danzo-the-ninja-illusionist/#.WtSCMtPwZPU